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Issue 46, 2008
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Controlling the reactivity of calcium phosphate cements

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Abstract

The effect of composition on the reactivity of a calcium phosphate cement (CPC) consisting of tricalcium phosphate (TCP)–water mixtures was investigated by isothermal calorimetry at 37 °C. The parameters of interest were the mean particle size of the powder, the use of small amounts of hydroxyapatite nanoparticles as nucleating agent, the phosphate concentration and the pH of the aqueous solution. Interactions of various parameters were also investigated. The results show that the main parameter controlling CPC reactivity was TCP particle size, because in contrast to other parameters it markedly reduced the total reaction time.

Graphical abstract: Controlling the reactivity of calcium phosphate cements

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Publication details

The article was received on 14 Jul 2008, accepted on 19 Sep 2008 and first published on 24 Oct 2008


Article type: Paper
DOI: 10.1039/B811953H
Citation: J. Mater. Chem., 2008,18, 5669-5675
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    Controlling the reactivity of calcium phosphate cements

    M. Bohner, T. J. Brunner and W. J. Stark, J. Mater. Chem., 2008, 18, 5669
    DOI: 10.1039/B811953H

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